{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448804799",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x34724ee529cd2b162fd6631ec1fe71cda88b1ec5ca803666911c2fe179d52d8d",
    "signature": "0xfcfbc0fb746a6d794248921aa4d6195d8193e733f59597cccce20c27487afc147bb267e4c9b64904e08c35b2859006bc9e4ce24b45943849323aebdd1c910c9f1b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}